ALLI OESTREICH OT
NPI 1467957522
Occupational Therapist in Hazen, ND
About Alli Oestreich Ot NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLI OESTREICH OT (NPI 1467957522) is an individual occupational therapist in Hazen, North Dakota, licensed in North Dakota (1619) and active in the NPI registry since March 2018.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alli Oestreich Ot is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alli Oestreich reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hazen, ND 58545
- Reassigned Medicare billing, North Dakota enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alli Oestreich's NPI number?
The NPI number for Alli Oestreich is 1467957522. It was assigned to this individual provider in the NPPES registry on March 29, 2018. The provider is also known as Allison Steffen Ot.
Where is Alli Oestreich located?
Alli Oestreich practices at 18 1st Ave SW, Hazen, ND 58545. The listed phone number is (701) 748-3701.
What is Alli Oestreich's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Alli Oestreich enrolled in Medicare?
Yes. Alli Oestreich is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alli Oestreich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alli Oestreich reassigns Medicare benefits to 701 Therapy PLLC (Hazen, ND). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alli Oestreich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alli Oestreich accept?
Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Alli Oestreich as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Alli Oestreich was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.